| ISO 639-3 | art-001 |
| aok | |
| ISO 639-3 Reference Names | art-289 | Arhö |
| ISO 639-3 Print Names | art-290 | Arhö |
| ISO 639-3 Inverted Names | art-291 | Arhö |
| Ethnologue Primary Language Names | art-323 | Arhö |
| Glottolog Languoid Names | art-326 | Arhö |
| Glottocode | art-327 | arho1237 |
| Glottolog Primary Key | art-328 | 41204 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2160 |
| Ethnologue Language Names | art-330 | Arhö |
| Ethnologue Language Names | art-330 | Aro |
| English | eng-000 | Arho |
| English | eng-000 | Arhö |
| français | fra-000 | arho |
| русский | rus-000 | архо |
| español | spa-000 | aro |